wkr-util/test/index.trimStrDeep.test.js

Utility library for wkr project.

import {map} from '@cullylarson/f'
import {trimStrDeep} from '../esm/'

test('Trims a string.', () => {
    expect(trimStrDeep(' a a a  ')).toBe('a a a')
    expect(trimStrDeep('BBB')).toBe('BBB')
    expect(trimStrDeep('C   C  C')).toBe('C   C  C')
    expect(trimStrDeep('  C   C  C')).toBe('C   C  C')
    expect(trimStrDeep('C   C  C  ')).toBe('C   C  C')
})

test('Does not trim non-strings.', () => {
    expect(trimStrDeep(834834)).toBe(834834)
    expect(trimStrDeep(null)).toBe(null)
    expect(trimStrDeep(true)).toBe(true)
    expect(trimStrDeep(false)).toBe(false)
    expect(trimStrDeep(undefined)).toBe(undefined)
})

test('Can use it to map an object.', () => {
    expect(map(trimStrDeep, {
        aaa: ' A A A ',
        bbb: null,
        ccc: 'CCC',
        ddd: {eee: ' E E E '},
    })).toEqual({
        aaa: 'A A A',
        bbb: null,
        ccc: 'CCC',
        ddd: {eee: 'E E E'},
    })
})

test('Deep trims objects.', () => {
    expect(trimStrDeep({
        aaa: '  AAA ',
        bbb: null,
        ccc: {
            ddd: '  D D D  ',
            eee: [' one', 'two ', 'three', ' four '],
        },
        fff: [' aaa', 'bbb ', 'ccc', ' ddd ', {ggg: ' GGG '}],
        ggg: 123,
    })).toEqual({
        aaa: 'AAA',
        bbb: null,
        ccc: {
            ddd: 'D D D',
            eee: ['one', 'two', 'three', 'four'],
        },
        fff: ['aaa', 'bbb', 'ccc', 'ddd', {ggg: 'GGG'}],
        ggg: 123,
    })
})

test('Deep trims arrays.', () => {
    expect(trimStrDeep([
        '  AAA ',
        null,
        123,
        {
            ddd: '  D D D  ',
            eee: [' one', 'two ', 'three', ' four '],
        },
        [' aaa', 'bbb ', 'ccc', ' ddd ', {ggg: ' GGG '}],
    ])).toEqual([
        'AAA',
        null,
        123,
        {
            ddd: 'D D D',
            eee: ['one', 'two', 'three', 'four'],
        },
        ['aaa', 'bbb', 'ccc', 'ddd', {ggg: 'GGG'}],
    ])
})